來(lái)自詞根grav, 重,詞源同barometer, guru, gravity. 用于科學(xué)術(shù)語(yǔ)。
The words gravity and gravitation have been more or less confounded; but the most careful writers use gravitation for the attracting force, and gravity for the terrestrial phenomenon of weight or downward acceleration which has for its two components the gravitation and the centrifugal force. [Century Dictionary, 1902]
來(lái)自柯林斯例句
來(lái)自柯林斯例句
來(lái)自柯林斯例句
來(lái)自《權(quán)威詞典》
來(lái)自《簡(jiǎn)明英漢詞典》